Light writing has been a very popular technique by photo graphers as of late and Parisian artist has take this one step farther with this little invention. This is the excerpt from his website:

“halo is a handy light specially dedicated to light-writting. Graffiti artists can conserve their own gesture they have with a spray can. It is possible to change the color and the brightness of the led to change the graffiti’s styles. If the light doesn’t have enough battery, the user must shake it to have energy again.” – Via Aissa Logerot’s website where you can find out more.